package org.csu.mypetstore.web.servlets;

import org.csu.mypetstore.domain.Account;
import org.csu.mypetstore.domain.Cart;
import org.csu.mypetstore.domain.Item;
import org.csu.mypetstore.service.CatalogService;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

public class RemoveItemFromCartServlet extends HttpServlet {

    private static final String VIEW_CART = "/WEB-INF/jsp/cart/Cart.jsp";
    private static final String ERROR = "/WEB-INF/jsp/common/Error.jsp";

    private String workingItemId;
    private Cart cart;
    private CatalogService service;

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        workingItemId = req.getParameter("cartItem");
        HttpSession session = req.getSession();
        cart = (Cart) session.getAttribute("cart");
        //System.out.println("---------------------"+workingItemId+"------------------------");
        Item item = cart.removeItemById(workingItemId);
        if(item == null)
        {
            session.setAttribute("message","Attempt to remove null from cart");
            req.getRequestDispatcher(ERROR).forward(req,resp);
        }else{
            if(session.getAttribute("account")!=null)
            {
                CatalogService.deleteCart((Account) session.getAttribute("account"),item.getItemId());
            }
            req.getRequestDispatcher(VIEW_CART).forward(req,resp);
        }

    }
}
